EP1767554B1 - Polymère amphotère et son utilisation - Google Patents

Polymère amphotère et son utilisation Download PDF

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Publication number
EP1767554B1
EP1767554B1 EP06019028A EP06019028A EP1767554B1 EP 1767554 B1 EP1767554 B1 EP 1767554B1 EP 06019028 A EP06019028 A EP 06019028A EP 06019028 A EP06019028 A EP 06019028A EP 1767554 B1 EP1767554 B1 EP 1767554B1
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Prior art keywords
polymer
accordance
polymers
monomer
monomers
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German (de)
English (en)
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EP1767554A1 (fr
Inventor
Florence Mazuel
Thomas Albers
Wolfgang Denuell
Hans-Christian Raths
Dirk Mampe
Christoph Schunicht
Stephen F. Gross
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Cognis IP Management GmbH
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Cognis IP Management GmbH
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3796—Amphoteric polymers or zwitterionic polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
    • C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
    • C08F20/04—Acids, Metal salts or ammonium salts thereof
    • C08F20/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F120/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
    • C08F120/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F120/04—Acids; Metal salts or ammonium salts thereof
    • C08F120/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/04—Acids; Metal salts or ammonium salts thereof
    • C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/52—Amides or imides
    • C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
    • C08F220/56—Acrylamide; Methacrylamide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/52—Amides or imides
    • C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
    • C08F220/60—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide containing nitrogen in addition to the carbonamido nitrogen
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/38—Cationic compounds
    • C11D1/65—Mixtures of anionic with cationic compounds
    • C11D1/655—Mixtures of sulfonated products with alkylolamides of carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/0036—Soil deposition preventing compositions; Antiredeposition agents
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/52—Amides or imides
    • C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide

Definitions

  • the present invention pertains to new polymers, a process for producing them, and the use of the polymers in laundering and cleaning agents, preferably in cleaning agents for hard surfaces.
  • water-soluble or water-dispersible copolymers for the same purpose are disclosed, which in the form of polymerized units contain at least one certain cationic, nitrogen-containing monomer, a carboxyl or anhydride group-containing monomer, and optionally an additional neutral hydrophilic monomer. Again, the polymer serves to make the surface hydrophilic.
  • WO 99/05248 describes agents for automatic dishwashing that contain water-soluble or water-dispersible cationic or ampholytic polymers, wherein the polymers have cationic properties in the pH range of 6 to 11.
  • EP 0 560 519 A1 describes water-soluble, ampholytic terpolymers with a molecular weight M w of 750-30000 Da for use as additives, preferably in cleaner formulations for dishwashing machines. Hydrophobic monomers such as alkylacrylamides or alkyl(meth)acrylates are present at a maximum of 25%, if at all.
  • EP 0 522 756 B1 describes ampholytic terpolymers with improved conditioning properties in shampoo compositions and hair care agents.
  • WO 94/26381 discloses a co-polymer derived from a monomer solution including 440 mM of acrylic acid, 240 mM of MAPTAC, 20 mM of M-isopropylacrylimide, 0,133 mg of a N, N-methylenebisacrylamid and 40 mg of amoniumchloride in water. Those co-polymers are disclosed as artificial receptors, anti-bodies or enzyme.
  • Terpolymers are copolymers produced by polymerization of at least three different polymers.
  • the object of the present invention is, in a first embodiment, the use of polymers soluble in water at 20°C which in the form of polymerized units contain in each case at least one monomer
  • polymers in accordance with the above specification are preferred in which the weight fraction of monomers c) amounts to less than 15 wt% and especially equal to or less than 10 wt%.
  • a preferred weight range for monomer c) is 5 to 25, preferably 5 to 15 and especially 5 to 10 wt%, in each case based on the total weight of the polymer.
  • the polymers in accordance with the invention contain, as polymerized monomers, at least three monomers a) to d) different from one another.
  • all polymers are included which contain either the monomer units a), b) and c) or a), b) and d) or a), b), c) and d) simultaneously. It is also within the scope of the present invention to use mixtures of the polymers listed.
  • R 1 represents a methyl radical
  • R 2 represents a CH 2 -CH 2 -CH 2 group
  • the radicals R 3 , R 4 and R 5 each represent a methyl radical
  • X- represents a suitable counterion such as halide, hydroxide, sulfate, hydrogen sulfate, phosphate, formate or acetate, preferably chloride.
  • Monomer b) encompasses the acrylamides. Particularly preferred is N-isopropylacrylamide, also known under the abbreviation NIPAM.
  • ethylenically unsaturated acids and their salts such as acrylic or methacrylic acid are suitable.
  • Acrylic acid (AA) is the particularly preferred monomer here.
  • Particularly suitable salts are the alkali metal and ammonium salts.
  • AMPS 2-acrylamido-2-methylpropane-sulfonic acid
  • Additional monomer building blocks may be present in the polymers in accordance with the invention in addition to the aforementioned a) to d), wherein here especially nitrogen-containing monomers are preferred.
  • Examples are dimethyldiallylammonium chloride (DADMAC), 2-dimethylaminoethyl(meth)acrylate (DMAE(M)A), 2-diethylaminoethyl(meth)acrylate, 3-dimethylaminopropyl(meth)acrylamide (DMAP(M)A), 3-dimethylamino-2,2-dimethylpropylacrylamide (DMADMPA), and the derivatives thereof, which can be obtained by protonation or quatemization, especially 2-trimethylammoniumethyl(meth)acrylate chloride and 3-diethylmethylammoniumpropyl-acrylamide chloride.
  • DADMAC dimethyldiallylammonium chloride
  • DMAE(M)A 2-dimethylaminoethyl(meth)acrylate
  • the polymers in accordance with the invention are water-soluble, i.e., at least 0.1 g of the polymer is soluble in 100 ml water at 20°C.
  • the polymers are ampholytic, i.e., the polymers have both acid and basic hydrophilic groups and show acidic or basic behavior depending on the conditions.
  • the polymers in accordance with the invention preferably have a mean molecular weight (weight average molecular weight, M w ), measured by aqueous gel permeation chromatography (GPC) with light scattering detection (SEC-MALLS), in the range of 10000 to 500000 Da.
  • M w weight average molecular weight
  • SEC-MALLS light scattering detection
  • the molecular weight of the polymers is between 50000 and 350000 Da and especially between 100000 and 250000 Da. A particularly preferred range may fall between 110000 and 140000 Da.
  • the various monomer building blocks a) to d) preferably occur in certain selected quantitative ratios along with one another.
  • Preferred in each case are polymers that contain the component (b) in excess (both on a molar basis and based on the weight of the components) relative to the components a) and c).
  • Preferred here are polymers in which the molar ratio between the monomers a), b) and c) is in the range from 1:10:1 to 5:10:5 and preferably in the range from 4:10:1 to 4:10:3 and especially in the range form 3:8:2 to 3:8:1.
  • the monomer building block of type d) is present instead of the component c).
  • Particularly preferred may be polymers that contain both monomers of type c) and type d) together.
  • the monomer building blocks c) and d) are present simultaneously in a molar ratio of 2:1 to 1:2, but particularly preferably in a 1:1 ratio.
  • Particularly preferred polymers with four different monomer building blocks have molar ratios a):b):c):d) of 2:4:1:1 to 1:10:1:1.
  • a particularly preferred ratio is 3:8:1:1.
  • Such polymers in accordance with the invention can be produced by various polymerization processes. They can, for example, be produced by solution polymerization or bulk polymerization. Preferably they are produced by solution polymerization, thus polymerization of monomers in solvents and/or water, in which both the monomers and the polymers resulting from them are soluble.
  • the polymerization can be performed by taking the total quantity of monomer initially or under monomer inflow, batchwise, semi-continuously or continuously. Preferably, the polymerization is performed as batch polymerization with or without monomer inflow.
  • An additional object of the present invention therefore pertains to a process for producing polymers in accordance with the above specification, wherein preferably first an aqueous mixture of the monomers a) and c) is produced, adjusted to a pH in the range of 5 to 11, then the monomer b) and optionally additional monomer components d) are added, and then followed with the addition of an initiator.
  • Suitable initiators are the free radical or redox initiators known in the art.
  • This comprises, for example, organic compounds of the azo type, e.g., azobisamidinopropane dihydrochloride, azobisisobutyronitrile, azobis(2,4-dimethylvaleronitrile) and the like; organic per esters, e.g., tert-butylperoxypivalate, tert-amylperoxypivalate, tert-butylperoxy 2-ethylhexanoate and the like; inorganic and organic peroxides such as H 2 O 2 , tert-butylhydroperoxide, benzyl peroxide and the like; and redox initiators such as oxidizing agents, for example ammonium or alkali metal persulfates, chromates and bromates and reducing agents such as sulfites and bisulfites, as well as ascorbic acid and oxalic acid and mixtures thereof These initiators are added in a quantity that is sufficient to initiate the poly
  • an initiator preferably from 0.001 to a maximum of 1 wt% of an initiator, based on the sum of the monomers used, is sufficient for this purpose. Quantities of ⁇ 0.5% are preferred, and quantities between 0.5% and 0.01 % are particularly preferred. The amount, however, depends on the type of initiator used. The initiator can be added either in one portion at the beginning of the reaction or continuously over a prolonged time period.
  • Suitable Promoters include water-soluble metal salts. Suitable metal ions are especially iron, copper, cobalt, manganese, vanadium, and nickel. Particularly preferred are water-soluble salts of iron and copper. If used, their content is between 1 and 100 ppm, preferably 3 to 25 ppm, based on the total of the monomers used.
  • the temperature of the polymerization reaction is dependent upon the selection of the initiator and the solvent and the desired molecular weight. The reaction is preferably carried out at elevated temperatures, especially in the range from 30 to 100°C and particularly preferably in the range of 40 to 90°C.
  • the monomer components a) and c) are dissolved at room temperature (20°C) in a suitable solvent, preferably water, and then a weakly acidic pH is established. Then preferably the monomer b) and optionally additional monomer components d) are added. Preferably this step is then followed by heating and addition of the initiator.
  • Particularly preferred and therefore another aspect of the present invention is a polymer that is soluble in water at 20°C, containing at least three different monomers a), b), c) and/or d), wherein the monomers a) and b) are present in a molar ratio of 1:1 to 1:10 and in addition the monomers c) and/or d) are present, wherein as the monomer a) 3-trimethylammoniumpropylmethacrylamide chloride (MAPTAC) is preferred, as the monomer b) N-isopropylacrylamide (NIPAM), as monomer c) acrylic acid (AA) and/or methacrylic acid (MA), and as monomer d) 2-acrylarnido-2-methyl-1-propanesulfonic acid (AMPS) is preferred, with the specification that the monomer c) is present in the water-soluble polymer in quantities of a maximum of 25 wt% based on the total weight of the water-soluble polymer.
  • MA 3-trimethylammonium
  • the weight fraction of monomer c) amounts to less than 15 wt% and especially equal to or less than 10 wt%.
  • a preferred weight range for monomer c) is 5 to 25, preferably 5 to 15 and especially from 5 to 10 wt%, in each case based on the total weight of the polymer.
  • the subscripts m, n, p and q provide the numbers of the monomer building blocks NIPAM, MAPTAC, AA and AMPS in the polymer molecule.
  • sequence of the building blocks in the polymers in accordance with the invention may be varied; and all sequences of the individual building blocks, whether blocks of the individual monomers or their purely stochastic sequences in the molecule, are included.
  • those derivatives are particularly preferred which contain the monomers MAPTAC, NIPAM and AMPS polymerized in in weight ratios of 25 to 50% MAPTAC, 40 to 75% NIPAM and 1 to 15% AMPS, with the specification that the sum of the percentages is 100.
  • a polymer that is likewise preferred is one which contains the monomers NIPAM, MAPTAC, and AA in weight ratios of 25 to 50% MAPTAC, 40 to 75 % NIPAM and 1 to 15% AA polymerized, with the specification that the sum of the percentages is 100.
  • a polymer that is water-soluble at 20°C and contains the monomers MAPTAC, NIPAM, AA and AMPAS in weight ratios of 25 to 45% MAPTAC, 40 to 70% NIPAM, 1 to 15% AA and 1 to 15% AMPS, with the specification that the sum of the percentages is 100.
  • the above-described preferred molar ratios are applicable, and also the preferred weight ratios of the monomers within the polymers, i.e., thus the molar ratio between the monomers a), b) and c) or d) lies in the range of 1:10:1 to 5:10:5 and preferably in the range of 4:10:1 to 4:10:3 and especially in the range of 3:8:2 to 3:8:1.
  • a particularly preferred polymer contains the monomers a), b), c) and d) in the molar ratio of 3:8:1:1.
  • the weight ratio based on the polymer amounts to 20 to 30 wt% of monomer a), 50 to 70 wt% of monomer b) and 10 to 20 wt% of monomers c) and/or d), with the specification that the sum of the percentages is 100.
  • the monomers c) and d), if they are present simultaneously in the polymer, are preferably present in the weight ratio of 1:1.
  • the mean molecular weight of the selected polymers, as described in detail above, is preferably in the range of 10000 to 500000.
  • amphoteric polymers in the sense of the present invention are especially suitable as additives in laundry detergents and particularly preferably in cleaning agents. Especially in cleaning agents for all types of hard surfaces, the polymers provide advantageous properties. They are suitable for modifying hard surfaces in terms of their hydrophilicity, based on the fact that the contact angle that liquids, especially water, form on the hard surfaces falls in the range of 50° to a maximum of 100°.
  • the polymers in accordance with the invention are also capable of imparting increased luster to hard surfaces. It is preferred by way of the invention, i.e., for achieving the above-mentioned effects, thus increasing the luster, increasing the hydrophilicity or hydrophobicity, increasing the cleaning performance or reducing the resoiling tendency, the polymers be used advantageously in quantities of 0.01 to 5 wt%, preferably in quantities of 0.03 to 0.5 wt% and especially in quantities of 0.03 to 0.09 wt%, in each case based on the respective cleaning agent, to optimally achieve the desired effect. Depending on the type and composition of the cleaning agent, however, smaller or larger quantities of the polymer may also be suitable.
  • cleaning agents may be used together with the polymers in accordance with the invention.
  • cleaning agents usually contain anionic, nonionic, cationic and/or zwitterionic surfactants in combination.
  • such agents may also contain abrasives to remove stubborn soil from the surface.
  • bleaches, builders, water softeners, suspending agents, enzymes, pH regulators, biocides, solubilizers, dispersants, emulsifiers, dyes, perfume, etc. may be present. Cleaners may exist in solid form, as powders or granulates or as a stick, or may be in the form of a liquid or gel.
  • cleaners for a great multitude of applications, beginning with all-purpose cleaners for household or industry, special cleaners for bathroom and kitchen tiles, cleaners for glass, metal, and plastic surfaces, cleaners for various floors (wood, ceramic, linoleum, laminate, etc.), cleaners for motor vehicles, cleaners for sanitary facilities (toilets) or disinfectants and dishwashing detergents.
  • the use of the polymers in dishwashing detergents, especially in liquid dishwashing detergents for manual dishwashing, as disclosed in EP 522 756 may also be accomplished by way of the invention.
  • cleaners e.g., for toilets or those used to remove fatty and oily soils
  • the polymers of the invention may also advantageously be used at these extreme pH values without losing their properties. Therefore, the polymers in accordance with the invention are preferably used in all-purpose cleaners, especially alkaline cleaners, cleaners for the bathroom and ceramic surfaces, the toilet and other sanitary equipment, cleaners for glass and plastics, special cleaners e.g. for shower stalls, but also for metal surfaces, especially foe lacquered metal surfaces and preferably for the cleaning of surfaces in the automotive sector are preferred.
  • An additional preferred application area is floor cleaners, especially for linoleum or laminate floors.
  • the polymers of the present invention show particular stability toward extreme pH values, so that use in such cleaners is particularly preferred.
  • the polymers of the present invention therefore can be used advantageously in cleaners for hard surfaces, the pH of which is in the range of 8 and preferably of greater than 8, especially in cleaners that have a pH in the range of 8 to 14, preferably of 8 to 12 and especially of 9 to 12.
  • they are also suitable for use with acid cleaners (pH ⁇ 6 and especially pH ⁇ 3). Therefore, the use of the polymers in acid cleaners whose pH is less than or equal to 6 is preferred.
  • Particularly preferred is their use in acid cleaners whose pH is between 2 and 6, preferably 2.5 and 5.5 and particularly preferably from 3 to 5.
  • a terpolymer in accordance with the invention was prepared as follows: 12.4 g MAPTAC, 1.4 g acrylic acid and 50 g water were mixed. The pH of the aqueous mixture was adjusted in the range of 6.5 to 7.5. Then 8.5 g NIPAM and 23 g isopropanol were added and this mixture was heated to 65°C. Then 0.15 g 2,2'-azobis(2-amidinopropane) dihydrochloride was added as the initiator and the reaction was started. The mixture was heated to about 80°C in this process. After the reaction had run to completion, the water/isopropanol azeotrope was distilled off at 80-100°C. The concentration of the resulting polymer solution was about 22 wt%. The pH of the solution was between 5 and 7.5. The polymer had a molecular weight of 130,000 Da (measured by SEC-MALLS).
  • a test formulation was applied to a ceramic plate, wiped off, and allowed to dry. The resulting surface was examined for luster and compared with the original, clean surface. The luster retention was calculated from the values. The luster was measured with the Micro-TRI-Gloss instrument from the firm of BYK Gardner at an angle of 20°.
  • Two polymers in accordance with the invention were tested. Polymer I contained the monomers MAPTAC, NIPAM and AA in a molar ratio of 3:8:2. Polymer II contained the monomers MAPTAC, NIPAM, AA and AMPS in a molar ratio of 3:8:1:1.
  • the contact angles were measured on various surfaces (ceramics, PVC, lacquered metal) in that a test formulation was applied and wiped off. After drying, the surface was rinsed with deionized (DE) water and allowed to dry. The contact angle with DE water was measured on the surfaces prepared in this way (apparatus: contact angle measurement device from Dataphysica, Filderstadt, Model OCAH-200). All quantities in wt%.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Detergent Compositions (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)

Claims (20)

  1. Polymère soluble dans l'eau à 20 °C, contenant au moins trois monomères différents a), b), c) et/ou d), les monomères a) et b) devant nécessairement être présents en un rapport molaire de 1:1 à 1:10 et en outre les monomères c) et/ou d) étant présents, les monomères suivants étant choisis :
    en tant que monomère a), chlorure de 3-triméthylammoniumpropyl-méthacrylamide (MAPTAC)
    en tant que monomère b), N-isopropylacrylamide (NIPAM)
    en tant que monomère c), acide acrylique (AA) et/ou acide méthacrylique (MA)
    en tant que monomère d), acide 2-acrylamido-2-méthyl-1-propane-sulfonique (AMPS)
    avec la caractéristique que le monomère c) est présent dans le polymère soluble dans l'eau en quantités maximales de 25 % en poids par rapport au poids total du polymère soluble dans l'eau.
  2. Polymère selon la revendication 1, caractérisé en ce qu'il contient sous forme polymérisée les monomères MAPTAC, NIPAM et AMPS en rapports en poids de 25 à 50 % de MAPTAC, 40 à 75 % de NIPAM et 1 à 15 % d'AMPS, avec la caractéristique que le total des fractions de pourcentages est de 100.
  3. Polymère selon la revendication 1, caractérisé en ce qu'il contient sous forme polymérisée les monomères MAPTAC, NIPAM et AA en rapports en poids de 25 à 50 % de MAPTAC, 40 à 75 % de NIPAM et 1 à 15 % d'AA, avec la caractéristique que le total des fractions de pourcentages est de 100.
  4. Polymère selon la revendication 1, caractérisé en ce qu'il contient sous forme polymérisée les monomères MAPTAC, NIPAM, AA et AMPS en rapports en poids de 25 à 45 % de MAPTAC, 40 à 70 % de NIPAM, 1 à 15 % d'AA et 1 à 15 % d'AMPS, avec la caractéristique que le total des fractions de pourcentages est de 100.
  5. Polymère selon les revendications 1 à 4, caractérisé en ce que le rapport molaire entre les monomères a), b) et c) ou d) est dans la plage allant de 1:10:1 à 5:10:5 et de préférence dans la plage allant de 4:10:1 à 4:10:3 et notamment dans la plage allant de 3:8:2 à 3:8:1.
  6. Polymère selon les revendications 1 à 5, caractérisé en ce que le rapport molaire entre les monomères a), b), c) et d) est de 3:8:1:1.
  7. Polymère selon les revendications 1 à 6, caractérisé en ce que, par rapport au polymère, 20 à 30 % en poids de monomère a), 50 à 70 % en poids de monomère b) et 10 à 20 % en poids de monomères c) et d) sont présents, avec la caractéristique que la somme des fractions est de 100.
  8. Polymère selon les revendications 1 à 7, caractérisé en ce que les monomères c) et d) sont présents simultanément avec le rapport en poids de 1:1.
  9. Polymères selon les revendications 1 à 8, caractérisés en ce qu'ils ont un poids moléculaire moyen dans la plage allant de 10 000 à 500 000 Da, de préférence de 50 000 à 350 000 Da et notamment de 100 000 à 250 000 Da.
  10. Procédé de fabrication de polymères selon les revendications 1 à 9, caractérisé en ce qu'un mélange aqueux des monomères a) et c) est préparé, ajusté à un pH dans la plage allant de 5 à 11, puis le monomère b) et éventuellement le monomère d) et un initiateur sont ajoutés.
  11. Procédé selon la revendication 10, caractérisé en ce que les monomères sont portés à des températures de 40 à 80 °C, puis la réaction est démarrée en ajoutant l'initiateur.
  12. Utilisation de polymères solubles dans l'eau à 20 °C, contenant dans chaque cas au moins un monomère polymérisé
    1) H2C=CR1-CO-NH-R2-N+R3R4R5 X-
    R1 représentant un atome d'hydrogène ou un radical alkyle contenant 1 à 4 atomes C, R2 représentant un radical alkylène linéaire ou ramifié contenant 1 à 12 atomes C, et R3, R4 et R5 représentant chacun, indépendamment les uns des autres, un atome d'hydrogène, un radical alkyle contenant 1 à 18 atomes C ou un radical phényle, et X- représentant un anion du groupe des halogènes, sulfates ou alkylsulfates, hydroxyde, phosphate, acétate, formate ou ammonium, et
    b) H2C=CR6-CO-NR7R8
    R6 représentant un atome d'hydrogène ou un radical alkyle contenant 1 à 4 atomes C, et R7 et R8 représentant chacun, indépendamment l'un de l'autre, un atome d'hydrogène, un radical alkyle contenant 1 à 4 atomes C ou un radical cycloalkyle en C3-C6, avec la caractéristique que R7 et R8 ne représentent pas simultanément un atome d'hydrogène, et
    c) acide acrylique et/ou méthacrylique et/ou
    d) monomères supplémentaires du groupe des acides carboxyliques monoéthyléniquement insaturés en C3-C6 tels que l'acide crotonique, l'acide maléique, l'anhydride maléique, l'acide fumarique, l'acide itaconique et leurs semi-esters et sels, ou H2C=CR-CO-NH-CR'R''R'''-SO3H et ses sels, notamment les sels de métaux alcalins et d'ammonium, R, R', R'' et R''' représentant indépendamment les uns des autres un atome d'hydrogène ou un radical alkyl(ène) contenant 1 à 4 atomes C,
    avec la caractéristique que le monomère c) est contenu dans le polymère en quantités maximales de 25 % en poids par rapport au polymère, dans des agents de nettoyage.
  13. Utilisation selon la revendication 12, caractérisée en ce que les polymères solubles dans l'eau sont ajoutés aux agents de nettoyage en quantités de 0,01 à 5 % en poids, de préférence en quantités de 0,03 à 0,05 % en poids et notamment en quantités de 0,05 à 0,09 % en poids.
  14. Utilisation selon les revendications 12 à 13, caractérisée en ce que les polymères sont utilisés dans des agents de nettoyage polyvalents, des agents de nettoyage pour surfaces céramiques, des agents de nettoyage pour verre, des agents de nettoyage pour plastiques et des agents de nettoyage pour surfaces métalliques.
  15. Utilisation selon les revendications 12 à 14, caractérisée en ce que les polymères sont utilisés dans des agents de nettoyage pour surfaces métalliques peintes, de préférence pour panneaux automobiles laqués.
  16. Utilisation selon les revendications 12 à 15, caractérisée en ce qu'un composé selon les revendications 1 à 8 est choisi en tant que polymère.
  17. Utilisation selon les revendications 12 à 16, caractérisé en ce que les polymères sont utilisés dans des agents de nettoyage alcalins ayant un pH supérieur ou égal à 8.
  18. Utilisation selon les revendications 12 à 16, caractérisée en ce que les polymères sont utilisés dans des agents de nettoyage acides ayant un pH inférieur ou égal à 6.
  19. Utilisation de polymères solubles dans l'eau à 20 °C selon la caractéristique de la revendication 12, pour rendre plus hydrophobes des surfaces ayant des angles de contact avec l'eau < 50°.
  20. Utilisation de polymères solubles dans l'eau à 20 °C selon la caractéristique de la revendication 12, pour rendre plus hydrophiles des surfaces ayant des angles de contact avec l'eau > 50°.
EP06019028A 2005-09-21 2006-09-12 Polymère amphotère et son utilisation Active EP1767554B1 (fr)

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CA2560041A1 (fr) 2007-03-21
US20070179265A1 (en) 2007-08-02
JP5072299B2 (ja) 2012-11-14
KR101288785B1 (ko) 2013-07-22
JP2007100085A (ja) 2007-04-19
EP1767554A1 (fr) 2007-03-28
US7807766B2 (en) 2010-10-05
DE602006010946D1 (de) 2010-01-21
CA2560041C (fr) 2013-03-26
ATE451403T1 (de) 2009-12-15
KR20070033260A (ko) 2007-03-26

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